Alert archive / Arkansas / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 104, NWS Memphis, TN
NWS Memphis, TN issued this severe thunderstorm warning at May 4, 2021, 1:30 AM CDT for Clay County, Greene County, Arkansas. It was in force for 45 min. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- May 4, 2021, 1:30 AM CDT (06:30 UTC)
- Expired
- May 4, 2021, 2:15 AM CDT
- In force
- 45 min
- Issued by
- NWS Memphis, TN
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Clay County, AR, Greene County, AR
The radar
The Memphis radar (KNQA), 134 km from the middle of the area, began a volume at 06:34 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 4, 2:10 AM CDT | TSTM WND DMG | Corning, AR | SIDING TORE OFF OF HOME. NUMEROUS TREES DOWN. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Little Rock, AR (KLZK), launched 00:00Z, 6.5 hours before the alert went out and 182 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 3608 J/kg
- Mixed-layer CIN
- -3 J/kg
- Mixed-layer LCL
- 1081 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 36 m²/s²
- 0-3 km storm-relative helicity
- 199 m²/s²
- Significant tornado parameter
- 2.3
- Supercell composite
- 15.3
The text
As transmitted.
175
WUUS54 KMEG 040630
SVRMEG
ARC021-055-040715-
/O.NEW.KMEG.SV.W.0104.210504T0630Z-210504T0715Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Memphis TN
130 AM CDT Tue May 4 2021
The National Weather Service in Memphis has issued a
* Severe Thunderstorm Warning for...
Northwestern Greene County in eastern Arkansas...
Western Clay County in eastern Arkansas...
* Until 215 AM CDT.
* At 130 AM CDT, a severe thunderstorm was located over Peach
Orchard, or 9 miles south of Corning, moving northeast at 45 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage
to roofs, siding, and trees.
* Locations impacted include...
Corning, Reyno, Knobel, O'Kean, McDougal, Success, Peach Orchard,
Delaplaine, Datto, Evening Star, Beech Grove, Heelstring,
Stonewall, Tipperary, Hickoria, Case, Brookings, Twin Oaks and
Palatka.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3650 9032 3649 9032 3615 9058 3614 9075
3615 9075 3615 9081 3629 9081 3630 9079
3628 9078 3628 9075 3641 9075 3641 9077
3642 9076 3643 9078 3643 9077 3644 9078
3649 9077 3650 9078
TIME...MOT...LOC 0630Z 213DEG 39KT 3628 9062
HAIL...1.00IN
WIND...60MPH
$$1 follow-up statement
024
WWUS54 KMEG 040647
SVSMEG
Severe Weather Statement
National Weather Service Memphis TN
147 AM CDT Tue May 4 2021
ARC021-055-040715-
/O.CON.KMEG.SV.W.0104.000000T0000Z-210504T0715Z/
Greene AR-Clay AR-
147 AM CDT Tue May 4 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 215 AM CDT
FOR NORTHWESTERN GREENE AND WESTERN CLAY COUNTIES...
At 146 AM CDT, a severe thunderstorm was located over Knobel, or near
Corning, moving northeast at 25 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated. At 120 AM nickel sized hail was reported
near Peach Orchard.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
Corning, Reyno, Knobel, O'Kean, McDougal, Success, Peach Orchard,
Delaplaine, Datto, Evening Star, Beech Grove, Heelstring, Stonewall,
Tipperary, Hickoria, Case, Brookings, Twin Oaks and Palatka.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3650 9032 3649 9032 3615 9058 3614 9075
3615 9075 3615 9081 3629 9081 3630 9079
3628 9078 3628 9075 3641 9075 3641 9077
3642 9076 3643 9078 3643 9077 3644 9078
3649 9077 3650 9078
TIME...MOT...LOC 0646Z 208DEG 22KT 3633 9059
HAIL...1.00IN
WIND...60MPH
$$The office that day
Everything else NWS Memphis, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 4, 12:38 AM CDT | Severe Thunderstorm Warning | MEG | Clay, Greene | 52 min |
| May 4, 1:46 AM CDT | Flash Flood Warning | MEG | Clay, Greene | 3 hr |
| May 4, 1:48 AM CDT | Special Weather Statement | MEG | Craighead, Poinsett | 27 min |
| May 4, 1:57 AM CDT | Severe Thunderstorm Warning | MEG | Craighead, Greene, Poinsett | 48 min |
| May 4, 2:08 AM CDT | Severe Thunderstorm Warning | MEG | Clay, Greene | 52 min |
| May 4, 2:25 AM CDT | Severe Thunderstorm Warning | MEG | Clay, Craighead, Mississippi | 50 min |
| May 4, 2:34 AM CDT | Severe Thunderstorm Warning | MEG | Crittenden, Cross, Mississippi, Poinsett | 41 min |
| May 4, 2:58 AM CDT | Areal Flood Advisory | MEG | Clay | 2 hr |
| May 4, 2:59 AM CDT | Severe Thunderstorm Warning | MEG | Mississippi | 46 min |
| May 4, 3:10 AM CDT | Special Weather Statement | MEG | Crittenden | 35 min |
| May 4, 4:47 AM CDT | Areal Flood Advisory | MEG | Crittenden | 73 min |
| May 4, 11:37 AM CDT | River Flood Warning | MEG | Clay, Greene | 47 hr |
| May 4, 5:03 PM CDT | Special Weather Statement | MEG | Craighead, Greene | 27 min |
| May 4, 5:29 PM CDT | Special Weather Statement | MEG | Craighead, Greene, Poinsett | 31 min |
| May 4, 5:56 PM CDT | Special Weather Statement | MEG | Craighead, Greene, Poinsett | 34 min |
| May 4, 6:20 PM CDT | Special Weather Statement | MEG | Cross | 40 min |
| May 4, 6:25 PM CDT | Special Weather Statement | MEG | Mississippi | 35 min |
| May 4, 6:29 PM CDT | Severe Thunderstorm Warning | MEG | Crittenden, Cross, Mississippi, Poinsett | 46 min |
Nearby
Severe Thunderstorm Warnings in Arkansas, 2021Every severe thunderstorm warning in 2021
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.